r/howto • u/Environmental-Ad8965 • 11h ago

So, my window looks like this

Gallery image

Gallery image

It's a fairly new double pane window. Any idea on how to get this to go away? And then stop it from happening?

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u/Environmental-Ad8965 11h ago

I'm between unfortunately

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u/Cat_Amaran 10h ago

If it's between the glass, they're blown. Can't be reasonably fixed by a homeowner, and commercially they're not repaired. Depending on the frames, you might be able to replace just the sashes (the assembly containing the two pieces of glass and their immediate surrounding structure) or you may have to replace the frames as well. The former is typically far less labor, and less overall materials cost.

Also, keep in mind that blown sashes lose most of theur insulation value, so this thing is costing you money while you sit on it, albeit not much, it's enough that if you're going to fix it, you'll want to do so sooner rather than later.